Snow-plow.



Patented Nov. 26, I90l. J. W. RUSSELL.

SNOW PLow. (Application filed Jan. 2, 1900.)

(No Model.)

UNITED STATES PATENT OFFICE.

JAMES WILLIAM RUSSELL, OF BOSTON, MASSACHUSETTS;

SNOW-PLOW.

srnorrron'rron forming part of Letters Patent No. 687,577, dated November 26, 1eo1. Application filed January 2, 1900. Serial No. 63. (N0 model.)

To all whom it may concern:

Be it known that I, JAMES WILLIAM RUS- SELL, of Boston, in the county of Sufiolk and State of Massachusetts, have invented certain new and useful Improvements in Snow- Plows, of which the following is a specification. The object of this invention is to provide for railway snow-plows a covered and inclosed rear platform, furnished with side or end doors to exclude snow and allow those in charge to have free and unobstructed entrance to and exit from the plow at all times, such vestibule being separated by a door from the main interior of the plowwhich has provision for artificial heating for the comfort of the occupant. The plow interior is again partitioned transversely in the plane of the top lookout at the rear of the inclined share by strong horizontal and oblique timbers, between which is a central door giving access to the front space under the plowshare for filling the inside journal oil-boxes on the truck through a door in the floor without going under the plow. My snow-plow is therefore peculiar in that it is divided internally by two transverse partitions into three distinct chambers-the hollow-nose or front portion, the main interior chamber, and the inclosed rear platform-these chambers being connected by doors.

A practically serviceable snow-plow requires space within it for occupancy by the man in charge. For safety and convenience of entrance and exit under the conditions of use a rear platform with one or more doors is essential. The ordinary rear platform will become filled up with snow forced in upon it, making ingress and egress difficult. Snow upon one side of the door and warmth upon the other causes water and then ice to accumulate, rendering the door at times inoperative. By my improvement the difficulty is effectually remedied by interposing the inclosed platform between the outer door and the heated interior of the snow-plow proper. The platform is inclosed by firm sheathing, except at the window, and one or more substantial doors, so that it will resist the rough usage incidental to snow-plow work. The doors will be hinged or arranged to slide or roll up. Steps and hand-rails are provided for convenient entrance and exit. The out look at the top of the plow overlooks the oblique m'oldboard, enabling those in charge to see what is before them. Should the plow become stalled or wrecked, speedy exit is insured through one of the doors of the iii closed re'ar platform.

I am aware that street-cars have been pro vided with storm-doors to protect the motorman, and also that on the vestibuled cars of railway trains adjacent platforms are inclosed to form a connected passage from car to car. Knowledge of such prior forms of cars has not, however, improved snow-plows,

which are subjected to conditions so dissimi- V lar as to require a new construction and com-' bination of parts to be operative.

In the drawings, Figure 1 is a side elevation of one of my snow-plows provided with my present improvements. Fig. 2 is an elevation of the inclosed end of the plow-body, part of the sheathing being broken away. Fig. 3 is a transverse section through the inclosed platform at line 3 3, Fig. 1. Fig. 4. is a transverse section of the plow at line 4 4, Fig. 1, the front partition being partly broken away. Fig. 5 is a horizontal section of the inclosed platform on line 5 5 of Fig. 1.

A represents the body of the snow-plow, provided with the oblique moldboard or plowshare B.

O is an outlook at top of the plow provided with windows D, enabling the operator to observe and direct the work as it progresses.

E E are cross-timbers, and F F inclined timbers, forming the substantial framing of a transverse partition at the rear of the moldboard, and stout cross rods R, above and be low the timbers E, cooperate to materially strengthen the structure. Centrally between the inclined timbers F F and below thecrosstimber E, I form a door G, giving access to the space beneath the plowshares B, forming the nose of the plow. a

H, Figs. 3 and 5, is a door opening from the rear platform into the main interior of the plow-body, comprising the space between the dotted lines 3 3 and 4 4:, Fig. 1.

J represents the inclosed rear platform roofed and sheathed in to exclude snow and provided with one or more doors K at rear or side by which the operator may enter the vestibule from outside. In Fig. 5 three such doors are shown, while Figs. 1 and 2 each show one door provided with a window L for proper lighting. Steps M and hand-rails N are also furnished, as in Fig. 1. The plow-frame has heavy longitudinal timbers and a central power-bar to which the draw-head O is secured. Thethree doors as shown in Fig. 5 at the rear of the snow-plow are all most desirable and useful. The doors in the sides will be generally used; but a snow-plow is liable to be stalled or buried in snow so deep thatthe doors in its sides cannot be used. The door at the end is then necessary. In case of accident also the three doors are required, so that the 'men within the plow may escape by one or the other of the doors.

It will thus be seen that by my improvement the rear platform of a snow-plow is entirely inclosed and is lighted and made readily accessible, so as to admit of free and uriobstructed entrance and exit at all times. The said inclosed platform also forms an airspace between the outer doors and the main interior of the plow-body, so that the plow proper is not cooled by an opening direct into it from the outside, nor-does the heat from within liquefy the snow accumulating against the outer doors and afterward forming ice to obstruct the. movementof the doors. This inclosed space also affords a protected point of observation rearwardly when the plow is running backward, as is sometimes required. No snow-plow prior to mine has ever, to my knowledge, been provided witha covered and inclosed rear platform or formed with three distinct chambers separated by transverse partitions and connected by doors therein, one of said chambers being the inclosed rear platform.

I claim as my invention- 1. In a snow-plow, the hollow body A and the share or moldboard B, in combination with a covered and inclosed rear platform, separated from said body bya permanent partition and provided With a door for entrance and exit in each of its four sides, substantially as set forth.

2. In a snow-plow, the share or moldboard B, the hollow bodyA provided with a cupola or outlook C in rear of and overlooking the moldboard, in combination with the inclosed rear platform J having in each of its outer walls a door, and being separated from said body by a permanent partition also furnished with a door, substantially as set forth.

3. In a snow-plow, a hollow structure pro'-' vided with two transverse partitions subdi viding its interior into three distinct cham bers, the nose or front portion, the main hol low body, and the inclosed rear platform,such chambers being connected by doors in said partitions and access to all being gained through said vestibuled platform, substantially as set forth.

4:. In a snow-plow, the hollow body A and the deflecting moldboard or plowshareB with a chamber beneath it, in combination with a transverse partition separating said body and chamber, and formed with a cross-timber E and oblique timbers F F, and provided with the central door or opening G, substantially as set forth.

5. In a snow-plow, the hollow body A and the deflecting-plowshare B- with a chamber beneath it, in combination with a transverse strengthening-partition separating said body and chamber and formed with a cross-timber E, cross-rods R Rand oblique timbers F F, substantially as set forth.

6. In a snow-plow, the combination with the oblique moldboard B of the hollow body A, having its rear portion partitioned off to form a closed chamber J, the permanent rigid floor thereof extending the full width of the plow-frame, such inclosure having one or more windows and its sides and end having doors, thereby furnishing said body a rear outlook, antechamber, entrance and exit, substantially as set forth.

In testimony whereof I have affixed my signature in presence of two witnesses. I

JAMES WILLIAM RUSSELL.

Witnesses:

A. H. SPENCER, W. E. WILDER. 

